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How to Start a Biogas Plant Business in India?

Updated on:20/08/25
Srihari Dhondalay

Starting a biogas plant business in India is a smart move, especially considering the country's growing demand for sustainable solutions. The biogas sector is expected to reach a market value of USD 3.49 billion (Approximately ₹3 lakh crore) by 2032, making it a highly profitable and impactful business.

How to Start a Biogas Plant Business in India

This business turns everyday waste into a valuable resource, addressing two of India’s major challenges: waste management and the need for clean energy. The Indian government is actively promoting this sector. Under its National Bioenergy Programme (extended till 2025-26), it aims to build a strong ecosystem for bioenergy.

This guide will walk you through how to start your own biogas plant business from scratch, in simple and easy-to-understand steps.

What is a Biogas Plant?

A biogas plant is a facility that turns organic waste, like food scraps, animal manure, and agricultural leftovers, into biogas. This is done through a natural process called anaerobic digestion, where microorganisms break down the waste in the absence of oxygen.

The result is a mixture of gases, mainly methane, which can be used as a clean and renewable energy source. The leftover material, called slurry, is rich in nutrients and can be used as organic fertilizer. Biogas plants are a sustainable solution for waste management and energy production.

Benefits of Biogas Plants

Setting up a biogas plant comes with many powerful advantages. It’s not just a business; it’s a solution that benefits society and the environment.

  • Waste to Wealth: The core idea is to convert organic waste, which would otherwise pollute the land and water, into useful energy. This helps keep our cities and villages cleaner.
  • Renewable Energy Source: Biogas is a clean fuel. It can be used for cooking, lighting, or even generating electricity. This reduces our dependence on fossil fuels like LPG and coal.
  • Environmental Hero: Biogas plants significantly cut down greenhouse gas emissions. By trapping methane from waste, they help fight climate change.
  • Rich Organic Fertilizer: The leftover material from the biogas plant process, called slurry, is a fantastic organic fertilizer. It improves soil health and crop yield, offering farmers a chemical-free alternative.
  • Rural Employment: These plants create jobs in rural areas, from collecting waste to operating and maintaining the plant.

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Biogas Plant Business Process: A Step-by-Step Guide

Starting this business requires careful planning. Here’s a detailed guide to help you through the entire journey.

Step 1: Market Research

Before making any financial commitment, thorough market research is essential for building a successful biogas plant business.

  • Understand Demand: Identify who will purchase your biogas. Potential customers may include:
    • Local households for cooking gas
    • Restaurants, hotels, and small industries requiring heat or power
  • Analyze Competition: Check if there are existing energy suppliers or biogas plants in your area.
    • Study their pricing, services, and customer base to gauge market potential.
  • Ensure Steady Raw Material Supply:
    • A consistent supply of organic waste is crucial.
    • Common sources include cow dung, agricultural waste, and food waste from local markets.

By conducting thorough research, you'll be able to assess the market demand and secure the resources needed for your business.

Step 2: Planning and Feasibility

Now that you've researched the market, it’s time to develop a comprehensive business plan. This plan serves as a clear guide for your journey.

  • Create a Solid Business Plan:
    Outline your business goals, target customers, marketing strategy, and financial projections.
  • Conduct a Feasibility Study:
    This will help you assess the financial viability of your business. It includes:

    • Estimating the cost of setting up the biogas plant
    • Calculating operational expenses
      Projecting potential revenue
  • Ensure Long-Term Profitability:
    A well-researched plan will ensure your business can be profitable and sustainable in the long run.

A solid plan is key to transforming your biogas plant into a successful business.

Step 3: Legal Formalities

Every business in India needs to follow certain legal rules. The first step is to register your business. You can choose any business structure, such as:

  • Sole Proprietorship is the simplest business structure, ideal for small-scale operations.
  • In a Partnership , two or more individuals share ownership and responsibility. Profits and liabilities are divided according to the partnership agreement.
  • A Private Limited Company offers limited liability protection to its shareholders and is a separate legal entity. It is ideal for businesses planning to scale up and attract investors.

After registration, you'll need several licenses and permits. These may include:

  • Approval from the local Panchayat or Municipal Corporation.
  • A ‘Consent to Establish’ from the State Pollution Control Board.
  • GST registration for commercial sales of biogas or related products.
  • Registration with the Ministry of New and Renewable Energy (MNRE) to avail government schemes and subsidies.
  • Fire Department NOC for safe storage and handling of gas.
  • Safety certificates for gas handling and equipment.

It's very important to comply with all government regulations and environmental laws. This will keep your business running smoothly without any legal troubles.

Step 4: Location Selection

Choosing the right location is crucial for the success of your biogas plant.

  • Proximity to Raw Materials
    The site should be near a steady supply of raw materials like organic waste. This reduces transportation costs, which can be a significant part of your expenses.
  • Good Road Access
    Ensure the location has easy road access for transporting raw materials to the plant and distributing finished products (biogas and fertilizer).
  • Zoning and Land Use
    Verify that the land is zoned for industrial or agricultural use. Avoid selecting a location too close to residential areas to prevent issues with odors.

A well-chosen location will make operations more efficient and help you minimize costs.

Step 5: Setting Up the Biogas Plant

Now for the construction phase. Setting up the plant involves building the core infrastructure. This is where your business idea starts taking physical shape.

The main components you'll need to set up are:

  • Mixing Tank : Where the raw organic waste is mixed with water to create a slurry.
  • Digester Tank: This is the heart of the plant. It's a large, airtight tank where microorganisms break down the slurry to produce biogas.
  • Gas Holder/Storage Tank: This unit collects and stores the produced biogas.
  • Slurry Outlet: A system to remove the digested slurry, which can then be processed into fertilizer.
  • Energy Conversion Equipment: If you plan to generate electricity, you'll need a gas engine or generator.
  • Effluent Treatment System: If any liquid waste is released, it must be treated properly before disposal to avoid environmental harm.
  • Gas Pipeline Network: If you plan to supply biogas directly to nearby households, hotels, or industries, a pipeline network is essential.
  • Drainage and Water Supply System: This is necessary for cleaning, mixing waste, and maintaining overall plant hygiene.
  • Safety Infrastructure: Install safety equipment like fire extinguishers, pressure release valves, and gas leak detectors to ensure safe operations.

Step 6: Acquiring Equipment and Machines

To run your biogas plant effectively, you’ll need the right machinery. The cost of setting up the plant will largely depend on the size of the operation and the type of equipment you choose.

Essential machines include:

  • Biogas Digester
    This is the core of the plant. Common types include fixed dome and floating drum digesters.
  • Shredders, Mixers, and Grinders
    These help prepare a uniform slurry by breaking down organic waste to ensure efficient digestion.
  • Biogas Flow Meters
    These measure the production levels of biogas, allowing you to monitor efficiency.
  • Biogas Analyzer
    This device checks the methane content and quality of the biogas produced.
  • Pressure Regulation System
    This controls the gas pressure to ensure safety and optimal usage of the biogas.
  • Backup Power Source
    A reliable backup power system is needed to keep the pumps and control systems running during power outages.
  • Bio-fertilizer Drying and Packaging Unit
    If you plan to sell the slurry as organic fertilizer, this unit will help dry and package it for sale.

Other necessary equipment:

  • Pumps
    Used for moving slurry into and out of the digester.
  • Gas Purification System (Scrubber)
    This removes impurities like carbon dioxide and hydrogen sulfide from the biogas.
  • Compressor
    If you plan to produce Compressed Biogas (CBG) for vehicles, a compressor is essential.
  • Weighing Scales
    Used to measure the raw materials entering the plant.

The initial cost for a small, family-sized unit can start as low as ₹30,000, but for a commercial-scale plant, it can run into several lakhs or even crores of rupees, depending on the equipment and scale.

Step 7: Hiring the Right Team

You can't run the plant alone. You'll need to hire a reliable team. The size of your team will depend on the scale of your operation.

You will need skilled workers, like a plant operator or a technician, to manage the biogas plant process and maintain the equipment. You'll also need unskilled labor for tasks like

  • Collecting waste
  • Loading the digester
  • and managing the slurry.

A small administrative or sales team might also be necessary to handle finances and find customers.

Step 8: Funding Options

Securing funds for your biogas plant can be challenging, but several options are available.

  • Business Loans from Banks: Banks like SBI, PNB, and Bank of Baroda offer loans for renewable energy projects.
  • Government Subsidies and Schemes: The National Bioenergy Programme and MNRE (Ministry of New and Renewable Energy) provide financial support and subsidies for setting up biogas plants.
  • Private Investors: Seek funding from private investors or platforms like the Indian Angel Network, which focus on sustainable energy projects.
  • Crowdfunding: Platforms like Ketto and Milaap can help raise funds for green initiatives.
  • Partnerships with NGOs and Corporations: Collaborate with organizations like TERI and ADB (The Energy and Resources Institute and the Asian Development Bank, which support sustainability initiatives through CSR funding.

A well-prepared business plan will be key to securing investment.

Step 9: Marketing and Sales Strategy

Once your biogas plant is operational, focus on building a strong market presence for both biogas and bio-slurry. A well-planned sales strategy will help you secure regular customers and ensure steady revenue.

  • Marketing Biogas
    • Promote biogas as a cost-effective and eco-friendly alternative to LPG and other fossil fuels.
    • Supply biogas through pipelines to nearby households or businesses.
    • Sell biogas in cylinders for customers who are not connected via pipelines.
    • Approach hotels, restaurants, dairy farms, and small industries for bulk supply.
    • Use the Sustainable Alternative Towards Affordable Transportation (SATAT) scheme to sell Compressed Biogas (CBG) to Oil Marketing Companies (OMCs).
  • Selling Bio-Slurry (Organic Fertilizer)
    • Market bio-slurry as a nutrient-rich, chemical-free fertilizer that improves soil health.
    • Partner with local agri-input shops and dealers for wider reach.
    • Process, dry, and package slurry for better shelf life and higher profits.
  • Partnership Opportunities
    • Collaborate with municipal corporations for a steady supply of organic waste.
    • Work with NGOs and government agencies to promote clean energy and organic farming.
    • Partner with corporates under CSR initiatives for sustainability projects.

Common Challenges in the Biogas Plant Business

While the business is promising, you should be aware of the potential hurdles.

  • Consistent Raw Material Supply

Solution: Partner with local farms, restaurants, and markets for a steady supply. You can also mix different types of waste, like cow dung and food scraps, to maintain consistency.

  • High Initial Cost

Solution: Apply for government subsidies under the National Bioenergy Programme or take loans to reduce the financial burden. Starting small and expanding gradually can also help manage costs.

  • Technical Knowledge

Solution: Train your staff or hire experienced workers. You can also seek technical support from equipment suppliers to ease the learning curve.

  • Lack of Market Awareness

Solution: Promote the benefits of biogas through local awareness programs. Offering free trials or samples can help convince customers to switch.

  • Weather Fluctuation

Solution: Use temperature control systems in the digester to maintain stable conditions. Diversifying raw materials can also help keep production steady year-round.

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End Note

Starting a biogas plant business in India is an excellent opportunity to earn a good income while contributing positively to the environment and society. It turns a problem (waste) into a solution (energy). With proper planning, a solid business strategy, and a passion for sustainability, you can build a successful and respected enterprise in India’s growing green economy. This guide on how to start a biogas plant business in India should give you the confidence to take the first step.

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Frequently Asked Questions (FAQs)

What is the cost of a 100 cubic meter biogas plant?

The cost for a 100 cubic meter biogas plant in India can vary significantly. It depends on the technology, materials used, and location. Roughly, you can expect the biogas plant cost to be between ₹10 lakh and ₹20 lakh. This price includes the digester, gas holder, piping, and basic infrastructure. Advanced features can increase the cost.


Is a biogas plant business profitable in India?

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What raw materials are best for a biogas plant?

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How much land is needed for a commercial biogas plant?

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What government subsidies are available for a biogas plant?

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How long does it take to build a biogas plant?

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What are the main outputs of a biogas plant?

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Can food waste be used in a biogas plant?

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Srihari Dhondalay
Srihari Dhondalay

Srihari Dhondalay is a Chartered Accountant and finance expert with experience at top firms like KPMG and Angel Broking. As Co-Founder at RegisterKaro, he has guided over 1,000 startups and SMEs on financial management, compliance, and sales strategy. Srihari has successfully cleared the CA Final, IPCC, and CPT exams and is passionate about making finance accessible through practical, entrepreneur-focused insights.

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